Schwarz Etienne caliber TSE 122.00

The caliber TSE PSR 122.00 is an evolution of the caliber TSE121.00 incorporating an original retrograde second indication. It is integrated in an unusual way, as its mechanism is built directly in connection with the Tourbillon. A snail cam is mounted on the tourbillon arbor. A ratchet gear is resting on this cam while the system is tensioned with a spring. This allows for the small seconds hand to advance along an arc and then suddenly jump back to recommence at the starting point. Type: Manufactured tourbillon automatic "Irreversible" TSE 122.00 with micro rotor Functions: Off-centered hours and minutes indication at 5 o'clock, Small second retrograde at 11 o'clock Technical: Tourbillon under bridge at 1 o'clock, Titanium retrograde lever, Seconds limaçon mounted directly on the cage, Retrograde return, spiral E2O, Micro-rotor at 9 o'clock Diameter: 30.40 mm (13 ¼’’’) Thickness: 7.05 mm Diameter of casing: 30.00 mm Decoration: Main plate: fine sandblasted; Mobiles (wheels): circular graining; Complication bridges: étirage finish, hand bevelling and satin finishing; Tourbillon cage: Fold locked and circular graining; Retrograde lift : étirage finish, hand bevelling and satin finishing; Micro-rotor: hand bevelling and micro-blasting Bridges: Étirage finish, Hand bevelling, Côtes de Genève Frequency: 3 Hz (21'600 Alt/h) Balance wheel: Balance wheel with fixed inertia, manufactured in-house incorporating the marque's SE logo Spiral: hairspring with flat Philips terminal curve, produced by E20 Power reserve: 70 hours Components: 256 Jewels: 40